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https://github.com/brain-hackers/u-boot-brain
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f552fa496c
Add support for the EFI_RNG_PROTOCOL routines for the qemu arm64 platform. EFI_RNG_PROTOCOL is an uefi boottime service which is invoked by the efi stub in the kernel for getting random seed for kaslr. The routines are platform specific, and use the virtio-rng device on the platform to get random data. The feature can be enabled through the following config CONFIG_EFI_RNG_PROTOCOL Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> Changed SPDX header to use /* instead of //. Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
33 lines
920 B
C
33 lines
920 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2019, Linaro Limited
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*/
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#if !defined _EFI_RNG_H_
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#define _EFI_RNG_H_
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#include <efi.h>
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#include <efi_api.h>
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/* EFI random number generation protocol related GUID definitions */
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#define EFI_RNG_PROTOCOL_GUID \
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EFI_GUID(0x3152bca5, 0xeade, 0x433d, 0x86, 0x2e, \
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0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44)
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#define EFI_RNG_ALGORITHM_RAW \
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EFI_GUID(0xe43176d7, 0xb6e8, 0x4827, 0xb7, 0x84, \
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0x7f, 0xfd, 0xc4, 0xb6, 0x85, 0x61)
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struct efi_rng_protocol {
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efi_status_t (EFIAPI *get_info)(struct efi_rng_protocol *protocol,
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efi_uintn_t *rng_algorithm_list_size,
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efi_guid_t *rng_algorithm_list);
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efi_status_t (EFIAPI *get_rng)(struct efi_rng_protocol *protocol,
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efi_guid_t *rng_algorithm,
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efi_uintn_t rng_value_length, uint8_t *rng_value);
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};
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efi_status_t platform_get_rng_device(struct udevice **dev);
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#endif /* _EFI_RNG_H_ */
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